[glib-networking] Non-fast-forward update to branch fix-proxy-test

[Marge Bot <marge-bot src gnome org>]

The branch 'fix-proxy-test' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  5c46af9... proxy/tests/common.c: Use g_getenv() instead of getenv()

Commits added to the branch:

  d574701... proxy/tests/common.c: Use g_getenv() instead of getenv()